Home / 306,360-459,864

Finding the Third Proportional to 306,360 and 459,864

Calculator

Solution

The third proportional to 306,360 and 459,864 is: 690,282.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,360 : 459,864 = 459,864 : x
  2. Step 2: Convert to fraction form
    306,360/459,864 = 459,864/x
  3. Step 3: Cross multiply
    306,360x = 459,864 × 459,864
  4. Step 4: Simplify right side
    306,360x = 211,474,898,496
  5. Step 5: Solve for x
    x = 211,474,898,496/306,360
  6. Step 6: Final answer
    x = 690,282.34

Related Problems

Find third proportional to 153,180 and 229,932
Half scale
Find third proportional to 612,720 and 919,728
Double scale
Find third proportional to 306,362 and 459,867
Similar ratio
Find third proportional to 459,540 and 689,796
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.